Download User Manual - Jupiter Instruments

Jupiter Instruments_____________________________________________________________________________________
APPENDIX B
1. Specifications
Power
Input Power:
Receptacle:
6VDC @100mA
2.1mmx5.5mm coaxial DC jack
Communications:
BAUD rate:
Connector:
Serial RS-232C
115.2K
9-pin, sub-D, female
Connector:
5-pin latching (0.100” spacing, 0.025” pins)
Pins:
Pin 1 = Gnd
Pin 2 = SCL (Red)
Pin 3 = Gnd (Black)
Pin 4 = SDA (Green)
Pin 5 = Gnd
Bus Speed:
0 to 1.0Mbit/s (w/o bus errors)
0 to 700kbit/s (with bus errors)
Input Threshold:
VIL: 1.0V (typ.)
VIH: 2.0V (typ.)
VH: 0.8V (typ.)
Input Range:
-0.3V to 5.5V (operational)
-5.0 to +10V (max. rating)
Input Capacitance:
45pf – typical (including 34” probe cable)
Connector:
Output Signal:
BNC
10uS, 3.3V pulse
Power:
SCL:
SDA:
Trigger:
Power-On
Bus clock activity
Bus data activity
Message Recording / Trigger Event
PC Interface
I2C Interface
Trigger Output
LEDs
Message Recording
Capacity:
32Kb buffer
Triggering:
Pre-Trigger:
Address, Data, R/W, Frame Error combination
Selectable 25%, 50%, and 75% pre-trigger recording
Message Time Stamp: 1us to 1.0485s, 1us resolution. Period measured from
Message Start to Stop, or Start to repeated Start.
JI-210
17
11/4/04